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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/compiler.h" | 8 #include "src/compiler.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/frames-inl.h" | 10 #include "src/frames-inl.h" |
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359 // No callback set and code generation disallowed. | 359 // No callback set and code generation disallowed. |
360 return false; | 360 return false; |
361 } else { | 361 } else { |
362 // Callback set. Let it decide if code generation is allowed. | 362 // Callback set. Let it decide if code generation is allowed. |
363 VMState<EXTERNAL> state(isolate); | 363 VMState<EXTERNAL> state(isolate); |
364 return callback(v8::Utils::ToLocal(context)); | 364 return callback(v8::Utils::ToLocal(context)); |
365 } | 365 } |
366 } | 366 } |
367 | 367 |
368 | 368 |
369 RUNTIME_FUNCTION(Runtime_CompileString) { | |
370 HandleScope scope(isolate); | |
371 DCHECK(args.length() == 2); | |
372 CONVERT_ARG_HANDLE_CHECKED(String, source, 0); | |
373 CONVERT_BOOLEAN_ARG_CHECKED(function_literal_only, 1); | |
374 | |
375 // Extract native context. | |
376 Handle<Context> context(isolate->native_context()); | |
377 | |
378 // Check if native context allows code generation from | |
379 // strings. Throw an exception if it doesn't. | |
380 if (context->allow_code_gen_from_strings()->IsFalse() && | |
381 !CodeGenerationFromStringsAllowed(isolate, context)) { | |
382 Handle<Object> error_message = | |
383 context->ErrorMessageForCodeGenerationFromStrings(); | |
384 THROW_NEW_ERROR_RETURN_FAILURE( | |
385 isolate, | |
386 NewEvalError(MessageTemplate::kCodeGenFromStrings, error_message)); | |
387 } | |
388 | |
389 // Compile source string in the native context. | |
390 ParseRestriction restriction = function_literal_only | |
391 ? ONLY_SINGLE_FUNCTION_LITERAL | |
392 : NO_PARSE_RESTRICTION; | |
393 Handle<SharedFunctionInfo> outer_info(context->closure()->shared(), isolate); | |
394 Handle<JSFunction> fun; | |
395 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | |
396 isolate, fun, | |
397 Compiler::GetFunctionFromEval(source, outer_info, context, SLOPPY, | |
398 restriction, RelocInfo::kNoPosition)); | |
399 return *fun; | |
400 } | |
401 | |
402 | |
403 static Object* CompileGlobalEval(Isolate* isolate, Handle<String> source, | 369 static Object* CompileGlobalEval(Isolate* isolate, Handle<String> source, |
404 Handle<SharedFunctionInfo> outer_info, | 370 Handle<SharedFunctionInfo> outer_info, |
405 LanguageMode language_mode, | 371 LanguageMode language_mode, |
406 int scope_position) { | 372 int scope_position) { |
407 Handle<Context> context = Handle<Context>(isolate->context()); | 373 Handle<Context> context = Handle<Context>(isolate->context()); |
408 Handle<Context> native_context = Handle<Context>(context->native_context()); | 374 Handle<Context> native_context = Handle<Context>(context->native_context()); |
409 | 375 |
410 // Check if native context allows code generation from | 376 // Check if native context allows code generation from |
411 // strings. Throw an exception if it doesn't. | 377 // strings. Throw an exception if it doesn't. |
412 if (native_context->allow_code_gen_from_strings()->IsFalse() && | 378 if (native_context->allow_code_gen_from_strings()->IsFalse() && |
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453 DCHECK(is_valid_language_mode(args.smi_at(3))); | 419 DCHECK(is_valid_language_mode(args.smi_at(3))); |
454 LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3)); | 420 LanguageMode language_mode = static_cast<LanguageMode>(args.smi_at(3)); |
455 DCHECK(args[4]->IsSmi()); | 421 DCHECK(args[4]->IsSmi()); |
456 Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(), | 422 Handle<SharedFunctionInfo> outer_info(args.at<JSFunction>(2)->shared(), |
457 isolate); | 423 isolate); |
458 return CompileGlobalEval(isolate, args.at<String>(1), outer_info, | 424 return CompileGlobalEval(isolate, args.at<String>(1), outer_info, |
459 language_mode, args.smi_at(4)); | 425 language_mode, args.smi_at(4)); |
460 } | 426 } |
461 } // namespace internal | 427 } // namespace internal |
462 } // namespace v8 | 428 } // namespace v8 |
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